19139555

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 25589760

約数和(自身を除く): 6450205

約数列:

[1, 5, 19, 31, 67, 95, 97, 155, 335, 485, 589, 1273, 1843, 2077, 2945, 3007, 6365, 6499, 9215, 10385, 15035, 32495, 39463, 57133, 123481, 197315, 201469, 285665, 617405, 1007345, 3827911, 19139555]

約数ペア:

[(1, 19139555), (5, 3827911), (19, 1007345), (31, 617405), (67, 285665), (95, 201469), (97, 197315), (155, 123481), (335, 57133), (485, 39463), (589, 32495), (1273, 15035), (1843, 10385), (2077, 9215), (2945, 6499), (3007, 6365)]